IBM has named the head of its cloud business Arvind Krishna as CEO from April. He joins Microsoft's Satya Nadella, Google's Sundar Pichai, Adobe's Shantanu Narayen and Mastercard's Ajay Banga in the list of India-born heads of prominent US tech companies. Krishna graduated from IIT Kanpur and has a PhD in electrical engineering from the University of Illinois at Urbana-Champaign.